HUBS 191 - Muscles Exam Questions and Answers Fully Solved Latest Version 2025-2026
Biceps brachii - Answers Flexion at elbow and shoulder; supination at radioulnar joints
Triceps Brachii - Answers Extension at elbow and shoulder
Deltoid - Answers Flexion, abduction and extension at the shoulder
Iliopsoas - Answers Flexion at the hip
Gluteus maximus - Answers Extension at the hip
Quadraceps femoris - Answers Flection at the hip; extension at the knee
Hamstrings - Answers Extension at the hip; flexion and rotation at the knee
Tibialis anterior - Answers Dorsiflexion of ankle; inversion of foot
Triceps surae - Answers Flexion at the knee; plantarflexion at the ankle
First class lever - Answers Stabilises joint position.
First class lever - Answers Fulcrum between force and load
First class lever - Answers E.g Neck extension
Second class lever - Answers Effective at overcoming heavy loads
Second class lever - Answers Load between fulcrum and force
Second class lever - Answers E.g Plantarflexion
Third class lever - Answers Large range of movement
Third class lever - Answers Force between fulcrum and load
Third class lever - Answers E.g Flexion at the elbow joint
Concentric - Answers Muscle shortens - flexion, tension is greater than load
Eccentric - Answers Muscle elongates - extension, tension is lesser than load
Isometric - Answers Muscle has no change in length, tension doesn't outweigh the load
Agonist - Answers Always acts concentrically to create movement at a joint - contracting
Antagonist - Answers Always acts eccentrically to oppose and control the movement - lengthen
Stabiliser - Answers Always isometric which prevents the movement of joints
Biceps brachii - Answers Flexion at elbow and shoulder; supination at radioulnar joints
Triceps Brachii - Answers Extension at elbow and shoulder
Deltoid - Answers Flexion, abduction and extension at the shoulder
Iliopsoas - Answers Flexion at the hip
Gluteus maximus - Answers Extension at the hip
Quadraceps femoris - Answers Flection at the hip; extension at the knee
Hamstrings - Answers Extension at the hip; flexion and rotation at the knee
Tibialis anterior - Answers Dorsiflexion of ankle; inversion of foot
Triceps surae - Answers Flexion at the knee; plantarflexion at the ankle
First class lever - Answers Stabilises joint position.
First class lever - Answers Fulcrum between force and load
First class lever - Answers E.g Neck extension
Second class lever - Answers Effective at overcoming heavy loads
Second class lever - Answers Load between fulcrum and force
Second class lever - Answers E.g Plantarflexion
Third class lever - Answers Large range of movement
Third class lever - Answers Force between fulcrum and load
Third class lever - Answers E.g Flexion at the elbow joint
Concentric - Answers Muscle shortens - flexion, tension is greater than load
Eccentric - Answers Muscle elongates - extension, tension is lesser than load
Isometric - Answers Muscle has no change in length, tension doesn't outweigh the load
Agonist - Answers Always acts concentrically to create movement at a joint - contracting
Antagonist - Answers Always acts eccentrically to oppose and control the movement - lengthen
Stabiliser - Answers Always isometric which prevents the movement of joints
